PIC16F785-E/SS Microchip Technology, PIC16F785-E/SS Datasheet - Page 41

• Manufacturer Part Number: PIC16F785-E/SS
• Description: 20 PIN, 3.5 KB STD FLASH, 128 RAM, 18 I/O PB FREE,
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F785-E/SS

• Rohs Compliant: YES
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 17
• Program Memory Size: 3.5KB (2K x 14)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 128 x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 5.5 V
• Data Converters: A/D 14x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 20-SSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: XLT20SS1-1 - SOCKET TRANSITION 20DIP 20SSOPAC162060 - HEADER INTRFC MPLAB ICD2 20PIN
• Connectivity: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

4.2.3.3
Figure 4-3 shows the diagram for this pin. The RA2 pin
is configurable to function as one of the following:
• General purpose I/O
• Analog input for the A/D
• Clock input for TMR0
• External edge triggered interrupt
• Digital output from Comparator 1
FIGURE 4-3:
© 2008 Microchip Technology Inc.
Data Bus
PORTA
PORTA
WPUA
WPUA
TRISA
TRISA
C1OE
C1OUT
IOCA
IOCA
Interrupt-on-
WR
WR
WR
WR
RD
RD
RD
RD
Change
D
D
D
D
To TMR0
To INT
To A/D Converter
CK
CK
CK
CK
RA2/AN2/T0CKI/INT/C1OUT
Q
Q
Q
Q
Q
Q
Q
Q
BLOCK DIAGRAM OF RA2
RD PORTA
Q
Q
Q
RAPU
ANS2
1
0
ANS2
EN
EN
EN
D
D
D
Q1
V
DD
Weak
V
V
DD
SS
Q3
I/O pin
4.2.3.4
Figure 4-4 shows the diagram for this pin. The RA3 pin
is configurable to function as one of the following:
• General purpose input
• Master Clear Reset with weak pull-up
FIGURE 4-4:
Data Bus
WPUA
WPUA
PORTA
IOCA
IOCA
TRISA
WR
RD
RD
RD
Interrupt-on-
WR
RD
Change
PIC16F785/HV785
D
D
CK
CK
RA3/MCLR/V
Q
Q
Q
Q
Reset
BLOCK DIAGRAM OF RA3
V
SS
RAPU
MCLRE
PP
RD PORTA
MCLRE
Q
Q
Q
MCLRE
DS41249E-page 39
EN
EN
EN
D
D
D
V
DD
Q1
Weak
V
SS
Q3
Input
pin